发明名称 Method for setting a gear ratio of a fan drive gear system of a gas turbine engine
摘要 A gas turbine engine includes a fan section including a fan rotatable about an axis. A speed reduction device is connected to the fan. The speed reduction device includes a planetary fan drive gear system with a planet gear ratio of at least 2.5. A bypass ratio is greater than about 11.0.
申请公布号 US8814494(B1) 申请公布日期 2014.08.26
申请号 US201414203863 申请日期 2014.03.11
申请人 United Technologies Corporation 发明人 Sheridan William G.;Hasel Karl L.
分类号 F01D1/24;F02C7/36 主分类号 F01D1/24
代理机构 Carlson, Gaskey & Olds, P.C. 代理人 Carlson, Gaskey & Olds, P.C.
主权项 1. A gas turbine engine comprising: a fan section including a fan rotatable about an axis; and a speed reduction device connected to the fan, wherein the speed reduction device includes a planetary fan drive gear system with a planet gear ratio of at least 2.5, wherein a bypass ratio is greater than about 11.0.
地址 Hartford CT US